Page 1
User Manual
“-_
1
I
Page 2
386
SXMain
Board
Section 2
Main board Layout and
Description . . . . . . . . . . 3
Jumper Setting
52:
DISPLAY Adapter Set
Up
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
53:
External Battery Connector
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
J9: Keyboard Lock and Power LED Connector.........4
JlO:
Turbo LED Connector
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
Jll:
Turbo Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
512: Speaker Connector
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
513: Reset Switch Connector
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Memory Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
Section
3
BIOS Setup
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
1
Page 3
386 SX
Main Board
SECTION 1
SPECIFICATION
CPU
:
80386SX 16/20/25
MHz
CORPOCESSOR
:
Socket for
80387SX 16/20/25
MHz
CHIPSET
:
Headland HT18
BIOS
:AMI
MEMORY
:
From
512KB
up to 8 MB
RAM MODULE
:
SIMM
256KB-8
SIMM lMB-8
EXPANSION SLOT : 16 Bit X 6
8 Bit X 1
SHADOWRAM
:
System BIOS
Video BIOS
SIZE
:
Half baby size (22 X 22 cm)
2
Page 4
386
SXMain
Board
Section
2
Main Board Layout and Description
I
Power Connector
I
---a
Jp2
5-G-E-l
1
J
SIMM SOCKET
L
Bank 2
Bonk
1
I
Bank
1
I
Bank
0
Bank 0
I
1
1
I
I
I
I
I
I
-I>
1
I
I
L
I
1
JP9
R
JPlOB
JPl 1
u
JP12
II
JP138
3
Page 5
386 SX Main Board
JUMPER SETTING
Mono/color switeh
Open: mono
Short: color
~Jp31
External battery connector
1. +VDD (Internal battery power input)
loo00
2.NC
1
4
3. GND
4. GND
VW
Power LED & keylock
0
1
l.LED output
0
2. No connection
0
3. GND
0
4. Keylock
5. GND
Turbo LED
4
Page 6
386
SXMain
Board
Turbo swith
Open : Speed chosen by keyboard
Short :
Low
Speed
Speaker Connector
1. Speaker output
2. GND
3. GND
4.
+svDc
[Jpw
Hardware reset switch
0
r
0
1. GND
2. Power good
5
Page 7
386 SX Main Board
The
386SX M/B
supports
256K
and 1M DRAM for up to
8MB
total.
The following table shows valid RAM combinations.
m
pJj@
m
.‘.‘.‘.‘.‘.~.~.~.~.~.~.~.~
. . . . . ... . . . . .
:.:.:.:.~:.:.:.:.:.:.:.~
.~.~.~.~.‘.~.~.~.~.~.~.~.~
.~.~.~.~.~.~.~.~.‘.~.~.~.~
~
0
P
. :.....
‘.‘.‘.‘.‘.‘.‘.‘.‘.‘.~.‘...........:.:
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
.
~:.~:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.~~:.:
. . . . . . . . . . . . . . . . . . . . . . . .
~.~.~.~.~.~.~.~.~.~.~.~.‘.~.~.~.~.~.~.~.~.
:.:.:.:.:.:.:.:.:.:.:.~:.:.~:.:...:.:.:.:.:
. . . . . . . . . . . . . . . . . . . . . .
~~~~
0
1
256K?C2
2
256KX2
3
256KX2
4
256KX2
5
256KX2
6
256KX2
7
lMX2
8
lMX2
9
lMX2
1c
lMx2
11
lMX2
12
lMX2
0
256KX2
256lC20
256KX2
256KX2
256KX2
0
lMX2
lMX2
lMX2
lM?B
lMX2
~~~~~~
. . . . . . . . . . . . . . . . . . . . . . . . . .
.~.~.~.~.~.~...~.~.~.~.~.~.~.~,‘.’.’.’.’.~.~.~.~.~.
~
. . . . ,
::,
0
0
0
256KX2
256KX2
lMX2
lMX2
0
0
lMX2
lMX2
256KX2
256IUC2
NOTE : Use 80 nano second RAM
.~.~.~,~.~.‘.~.~.~.~.~.~.~.~.~.‘.’.~.~.’.~.’.~.~.
.~.~.~.‘.‘.‘.~.~.~.~.~.~.‘.‘.‘.‘.~.’.~.~.~.~.~.~.
.~.~.~,‘.‘.~.‘.‘.~.‘.~,~.~.~.~.~.’.~.’.~.~.~.~.~.
.~.~.~.~.‘.‘.‘.~.~.~.~.~.~.~.‘.‘.’.~.~.~.~.~.~.~.
.~.~.~.~.~.~.~.‘.‘.~.~.~.~.~.~.‘.’.’.’.~.~.~.~ . .
. . . . . . . . . . . . . . . . . . . . . . . .
~.~.....~.~.~.~.~.~.~.~.~.~.~.‘.~.~.~.~.~.~.’.~.’
. . . . . . . . . . . . . . . . . . . . . . . . .
._........_.............
~.....~.~.~.~.~.~.~.~.~.~.‘.‘.‘.’.~.~.~.’.~.~.~.~
~~~~~~
0
0
512K
0
1M
0
1.5M
256KX2 2M
0 3M
lMX2
5M
0
2M
0
4M
0
6M
lMX2
8M
0
4.5M
256KX2 5M
6
Page 8
386
SXMain
Board
SECTION 3
BIOS Setup
The
AMI
BIOS Setup program is used to record the system hardware
configuration. Follow the instruction as shown in the next pages to
complete the whole setup procedure.
After power-on and memory test, please press “DEL” key, the program
will go on to next screen.
Hit c DEL >, If you want to RUN SETUP.
i
\
\
BIOS SETUP PROGRAM - AM1 BIOS SETUP UTILITIES
(C)1990 American Megatrends Inc., All Rights Reserved
ADVANCED CMOS SETUP
AUTO CONFIGURATION WITH BIOS DEFAULTS
AUTO CONFIGURATION WITH POWER-ON DEFAULTS
CHANGE PASSWORD
HARD DISK UTILITY
WRITE TO CMOS AND EXIT
DO NOT WRITE TO CMOS AND EXIT
Standard CMOS Setup for Changing Time, Date,, Hard Disk Type, etc.
~
ESC:Exit
1-t-
Se1 F2/F3:Color FlO:Save &
Exit
Note
:
Enter the above nine items due to user’s request.
1, Use “ARROW” Keys and
then”ENTER”
to select the option you want.
2, Select “WRITE TO CMOS AND EXIT” to leave from the BIOS Setup.
7
Page 9
386 SX Main Board
31
I
STANDARD CMOS SETUP
BIOS SETUP PROGRAM - STANDARD CMOS SETUP
(C)1990 American Megatrends Inc., All Rights Reserved
Data (mn/date/year)
Keyboard
Ti
me(
hour/mi
n/set)
Daylight saving
Hard disk C : type
Hard disk D : type
Floppy drive A
:
Floppy drive B:
Primary display
:10:55112
:
Installed
:
Fri, Aug 30 1991
:
Disabled
:
17
:
Not Installed
:
Not Installed
:
Not Installed
:
Monochrome
Base memory:
640 KB
Ext. memory
:
4096
KB
CyIn
Head
WPcom LZone
Sect Size
977
5
300
977
17
41ME.
Month : Jan, Feb
,
......................Dee
Date:
01,02,03,....................
31
..~
Year
:
1901,1902
,
...................
2099
123
4567,
-
ESCExit
l- I -
Select
F2/F3
Color
PU/PD:Modify
Note :1, Use “ARROW” keys to select the above items that you want to
setup.
2, Use
“PU/PD”
keys to modify setting values.
3, Press “ESC” after finish setup.
8
Page 10
386
SXMain
Board
3.2
BIOS SETUP PROGRAM - ADVANCED CMOS SETUP
(C) 1990 American Megatrends Inc., All Rights Reserved
Typematic Rate Programming: Disabled
Typematic Rate Delay (msec)
: 500
Typematic Rate
(Char&c)
:
15
Above 1 MB Memory Test
:
Disabled
Memory Parity Error Check
:
Enabled
Hard Disk Type 47 RAM Area:
0:300
System Boot Up Num Lock
:
Off
Password Checking Option
:
Disabled
Adaptor ROM Shadow
C800,16k
:
Disabled
Adaptor ROM Shadow
CCOO,16k
:
Disabled
Adaptor ROM Shadow
DOOO,16k
:
Disabled
Adaptor ROM Shadow
D400,16k
:
Disabled
Adaptor ROM Shadow
D800,16k
:
Disabled
Adaptor ROM Shadow
DCOOJ6k:
Disabled
Adaptor ROM Shadow
EOOO,
64k: Disabled
Shadow RAM Option
:
Both
Wait State Selection
:ow/s
384 KB Memory Relocation
:
Disabled
-
~
ESC : Exit
I- t-
Se1
(Ctrl)
Pu/Pd
:
Modify
Fl
:
Help
F2/F3
:
Color
p-
-
F5 : Old Values F6 : BIOS Setup Defaults
F7
:
Power-On Defaults
~
9
Page 11
386 SX Main Board
3.2.1
Typematic Rate Programming
Available Options are
: -
Disabled
Enabled
Press any key to continue
3.2.2
Default value : Disabled
Above 1 MB Memory Test
I
Default value : Disabled
Available Options are
: -
Disabled
Enabled
Press any key to continue
3.2.3
Memory Parity Error Check
Default value : Enabled
Available Options are
: -
Disabled
Enabled
Press any key to continue
3.2.4
Hard Disk Type 47 RAM Area
If BIOS shadow RAM is disabled,
RAM will be used for hard disk
type 47 parameter table.
Available Option are :0:300
DOSlKB
Press any key to continue
Default value :
0:3OO
10
Page 12
386
SXMain
Board
3.2.5
I
System Boot Up Num Look
Available Options are
: -
Off
On
Press any key to continue
3.2.6
3.2.7
Default value : off
Default value : Disable
Disable : Password
Checking does not use
Setup : Password
-Checking when enter the
setup programs
Always : Password
Checking when system
boot or enter the setup
programs
Note : First time you
select this option enter
the default password
&MI>,
The password
can’t exceed 6 digits in
length
I
Adaptor ROM Shadow
C800,16K
I
Default value : Disabled
Available Options are
: -
Disabled
Enabled
Press any key to continue
11
Page 13
386 SX Main Board
3.2.8
3.2.9
3.2.10
Adaptor ROM Shadow CCOOJ6K
Available Options are
: -
Disabled
Enabled
Press any key to continue
Adaptor ROM Shadow
DOOOJ6K
Available Options are
: -
Disabled
Enabled
Press any key to continue
Adaptor ROM Shadow D400,16K
Available Options are
: -
Disabled
Enabled
Press any key to continue
3.2.11
Press any key to continue
3.2.12
Default value : Disabled
Default value : Disabled
Default value : Disabled
Default value : Disabled
Adaptor ROM Shadow DCOOJ6K
Available Options are
: -
Disabled
Enabled
Press any kev to continue
Default value : Disabled
12
Page 14
386
SXMain
Board
3.2.13
3.2.14
3.2.15
3.2.16
Adaptor ROM Shadow
ECKKI,16K
Available options are
: -
Disabled
Enabled
Press any key to continue
I---
Shadow RAM Option
Available Options are
: -
Disabled
Video
Main
Both
Press any key to continue
I
Wait State Selection
Available Options are
: -
1
w/s
0 w/s
Press any key to continue
\
384 KB Memory Relocation
This option is valid only
when shadow RAM is disabled
Available Options are
: -
Disabled
Enabled
I
Press any key to continue
Default value : Disabled
Default value : Both
Default value :
OW/S
Default value : Disabled
13
Loading...